Home / 938,217,344.18-1,294,736,382.15-514,838,089.26

Finding the Fourth Proportional to 938,217,344.18, 1,294,736,382.15 and 514,838,089.26

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Solution

The fourth proportional to 938,217,344.18, 1,294,736,382.15 and 514,838,089.26 is: 710,474,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,217,344.18 : 1,294,736,382.15 = 514,838,089.26 : x
  2. Step 2: Convert to fraction form
    938,217,344.18/1,294,736,382.15 = 514,838,089.26/x
  3. Step 3: Cross multiply
    938,217,344.18x = 1,294,736,382.15 × 514,838,089.26
  4. Step 4: Simplify right side
    938,217,344.18x = 666,579,605,081,511,168
  5. Step 5: Solve for x
    x = 666,579,605,081,511,168/938,217,344.18
  6. Step 6: Final answer
    x = 710,474,613.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.